I 15 over Beaverhd R-high Brdg RD

Fair Condition62 years old2,185 vehicles/day

Location

StateMontana
CountyBeaverhead
Location1.2m N Clark Canyon Dam
CarriesI 15
CrossesBeaverhd R-high Brdg RD
Coordinates45.01786, -112.83909

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length401.9 ft (122.5 m)
Max Span100.1 ft (30.5 m)
Deck Width31.8 ft (9.7 m)
Deck Area1188.2 sq m
Main Spans5
Year Built1964

Traffic

Avg Daily Traffic2,185 (2023)
Truck Traffic25%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00015045+09001

Nearby Bridges